diff --git a/lib/raiff.rb b/lib/raiff.rb
index 0d8b5af..7034e77 100644
--- a/lib/raiff.rb
+++ b/lib/raiff.rb
@@ -51,7 +51,7 @@ def each_sample
     @chunks['SSND'].each do |sound_data|
       @file.seek(sound_data.start_offset)
 
-      sound_data.samples_count.times do
+      sound_data.sample_count.times do
         sample = sound_data.read_sample
 
         yield(sample)
diff --git a/lib/raiff/chunk/sound_data.rb b/lib/raiff/chunk/sound_data.rb
index 6a6286c..582a08b 100644
--- a/lib/raiff/chunk/sound_data.rb
+++ b/lib/raiff/chunk/sound_data.rb
@@ -1,7 +1,7 @@
 class Raiff::Chunk::SoundData < Raiff::Chunk
   # == Properties ===========================================================
   
-  attr_reader :offset, :block_size, :start_offset
+  attr_reader :offset, :block_size, :start_offset, :sample_count
 
   # == Class Methods ========================================================